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Mechanical engineering CAD drawing rules GB/T14665-1998 instead of GB/T14665-93
，可以把下面内容翻译成英文
China is upgrading the national standard for mechanical engineering CAD drawing. GB/T14665-1998 shall replace the previous version GB/T14665-93.
In order to better measure the technical standards of mechanical engineering CAD drawings, Aimed specifically at the needs of......
1015 
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surface pretreatment
Surface preparation is an essential step in fabrication, welding and painting of metal components, and is often carried out prior to any further processes. Common surface preparation techniques include degreasing, rust removal, shot blasting and more. Careful surface preparation will ensure proper......
passivation area
Passivation is an industrial process used to increase the corrosion resistance of metals and alloys. It is achieved by creating a thin layer of oxide on the surface of the material through chemical methods or by electrochemical oxidation techniques. This layer of oxide, usually impervious to the e......
Overview of Industrial Applications of Electroless Nickel Plating
Introduction to Industrial Applications of Nickel Plating
Nickel plating is a widely used industrial application in which nickel is applied to the surface of a metal, alloy, or other substrates to provide protective and ornamental characteristics for the substrate. Industrial applications for nic......
Forging of High Speed Steel W18Cr4V
Forging of High Speed Steel W18Cr4V
High Speed Steel, also known as HSS, is a tool steel that has been around since the late 1930s. High Speed Steel is a type of tool steel that is known for its exceptionally high resistance to fracture and heat. It was this high resistance to fracture and heat t......
Concept and application of technical economic analysis
Technology Economic Analysis: Concepts and Applications
Technology economic analysis is a method used to evaluate technological investments and operations with the primary output being information used to make decisions regarding projects or products. Economic analysis methods are used to assess ......
Phosphorus eutectic type
Introduction
Grain boundary engineering is becoming increasingly important in modern materials synthesis and applications. It is critical to understanding the properties of materials and increasing their reliability, ductility, and corrosion resistance for various uses. One type of grain boundary......
Whole model
Globalization
Globalization is the process of worldwide integration of economic, cultural, and social systems. It is the helping hand that aids humanity in facing global challenges and takes advantage of the opportunities offered by the world’s increasing interconnectedness. Globalization has be......
Combined Application of Laser Rapid Prototyping and Traditional Precision Casting Technology (Part 1)
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Combination of laser rapid prototyping and conventional precision casting technology (I)
Laser rapid prototyping technology and conventional precision casting technology have been widely used in manufacturing industries in recent years. As traditional machining techniques are becoming increasin......
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